$183 Cheap Flights from Seoul (ICN) to Sydney (SYD)

View $183 flight on Fri, Dec 12, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Sydney Airport (SYD)

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Cheap Flights from Seoul to Sydney (ICN-SYD)

Prices were available within the past 7 days and start at $183 for one-way flights and $351 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Mon, Mar 2 - Mon, Mar 9
ICN
Seoul
SYD
Sydney
$351 Roundtrip, found 2 days ago
$351
Roundtrip
found 2 days ago
Select China Eastern Airlines flight, departing Mon, Mar 2 from Seoul to Sydney, returning Mon, Mar 9, priced at $351 found 2 days ago
Scoot
Mon, Aug 17 - Tue, Aug 25
ICN
Seoul
SYD
Sydney
$424 Roundtrip, found 3 days ago
$424
Roundtrip
found 3 days ago
Select Scoot flight, departing Mon, Aug 17 from Seoul to Sydney, returning Tue, Aug 25, priced at $424 found 3 days ago
Xiamen Airlines
Sun, May 31 - Wed, Jun 3
ICN
Seoul
SYD
Sydney
$428 Roundtrip, found 2 days ago
$428
Roundtrip
found 2 days ago
Select Xiamen Airlines flight, departing Sun, May 31 from Seoul to Sydney, returning Wed, Jun 3, priced at $428 found 2 days ago
Jetstar
Wed, Jul 1 - Sun, Jul 5
ICN
Seoul
SYD
Sydney
$430 Roundtrip, found 16 hours ago
$430
Roundtrip
found 16 hours ago
Select Jetstar flight, departing Wed, Jul 1 from Seoul to Sydney, returning Sun, Jul 5, priced at $430 found 16 hours ago
China Southern Airlines
Mon, Mar 16 - Thu, Mar 19
ICN
Seoul
SYD
Sydney
$438 Roundtrip, found 1 day ago
$438
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Mon, Mar 16 from Seoul to Sydney, returning Thu, Mar 19, priced at $438 found 1 day ago
Hong Kong Airlines
Fri, Mar 6 - Fri, Mar 13
ICN
Seoul
SYD
Sydney
$513 Roundtrip, found 1 day ago
$513
Roundtrip
found 1 day ago
Select Hong Kong Airlines flight, departing Fri, Mar 6 from Seoul to Sydney, returning Fri, Mar 13, priced at $513 found 1 day ago
Vietjet Air
Thu, May 14 - Thu, May 21
ICN
Seoul
SYD
Sydney
$524 Roundtrip, found 2 days ago
$524
Roundtrip
found 2 days ago
Select Vietjet Air flight, departing Thu, May 14 from Seoul to Sydney, returning Thu, May 21, priced at $524 found 2 days ago
Air China
Sat, Dec 6 - Sun, Jan 11
ICN
Seoul
SYD
Sydney
$563 Roundtrip, found 12 hours ago
$563
Roundtrip
found 12 hours ago
Select Air China flight, departing Sat, Dec 6 from Seoul to Sydney, returning Sun, Jan 11, priced at $563 found 12 hours ago
Vietnam Airlines
Fri, May 29 - Sat, Jun 6
ICN
Seoul
SYD
Sydney
$585 Roundtrip, found 1 day ago
$585
Roundtrip
found 1 day ago
Select Vietnam Airlines flight, departing Fri, May 29 from Seoul to Sydney, returning Sat, Jun 6, priced at $585 found 1 day ago
T'Way Air
Wed, Jun 17 - Sat, Jun 20
ICN
Seoul
SYD
Sydney
$611 Roundtrip, found 2 days ago
$611
Roundtrip
found 2 days ago
Select T'Way Air flight, departing Wed, Jun 17 from Seoul to Sydney, returning Sat, Jun 20, priced at $611 found 2 days ago

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Find the cheapest month to fly from Seoul (ICN) to Sydney (SYD)

March is typically the cheapest month to fly

From $341 - $566 per traveler.

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $741
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city center16 min
Flights from $741
Flights from Seoul (ICN) to Sydney (SYD)
Origin airport
Incheon Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air China, Asiana Airlines, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Garuda Indonesia, Hong Kong Airlines, Jetstar, Juneyao Air, Korean Air, Malaysia Airlines, Philippine Airlines, Qantas Airways, Scoot, Singapore Airlines, T'way Air with baggage, Thai Airways International, Vietjet Air, Vietnam Airlines, Xiamen Airlines
Roundtrip price
$350
Distance
5182 mi
Average flight time
12 hours 17 mins

Seoul to Sydney Flights

The cheapest times to fly from Seoul to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Sydney are during the month of March. You can find some of the cheapest flights from Seoul to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Sydney

Sunday is one of the best days to book for cheap flights from Seoul to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $183 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD) cost?
Grab a cheap one-way flight from $183 or cheap return flight from $351 from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD)?
March is the cheapest month to fly from ICN to SYD. Timing your trip outside of the busy season is often the key to scoring lower fares.
Which airlines fly direct from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD)?
You can fly direct from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD) with 5 carriers, including:

  • Asiana Airlines
  • Korean Air
  • TWay Air
  • Jetstar
  • Qantas

What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD)?
Cheap flight tickets from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD) can usually be found through low-cost carriers like Asiana Airlines and T'Way Air. Bear in mind that prices can change depending on demand, seasonality and time of booking. With Expedia's filter tool, you can easily filter your results to find an ICN to SYD flight that fits your budget.
How many flights per day from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD)?
When departing from Incheon Intl. Airport (ICN), you'll have a choice from an average of 3 daily direct flights to Kingsford Smith Intl. Airport (SYD).
What are the most popular departure times for flights from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD)?
The 6 PM departures from ICN to SYD see the highest demand. They can also be more expensive. If you want to save on your fare, book during off-peak hours.
What day of the week has the most flights from ICN to SYD?
Monday offers the most flights from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD). Consider taking off on this day and you'll have the best chance of finding a departure that fits your itinerary.
What is the earliest flight from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD)?
Catch the earliest flight at around 6:45PM UTC+9, heading out of Incheon Intl. Airport (ICN). You'll be traveling for about 10h 10m, coming in to land at Kingsford Smith Intl. Airport (SYD) at approximately 6:55AM UTC+11.
How long does it take to fly from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD)?
Flights from ICN to SYD have an average travel time of 10 hours and 19 minutes. The total distance between these two airports is 5,200 mi.
What is the best time to fly from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD)?
To reach Kingsford Smith Intl. Airport (SYD) on schedule, choose a flight that leaves Incheon Intl. Airport (ICN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Sydney from Incheon Intl. Airport (ICN)?
Kingsford Smith Intl. Airport (SYD) is the only airport in Sydney with direct flights from Incheon Intl. Airport (ICN). Compare your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD) last-minute?
Booking your ticket from ICN to SYD shortly before your journey is typically more expensive. However, if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an ICN to SYD flight and hotel package?
You'll typically save money by booking an ICN to SYD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your preferred flights and accommodations, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Kingsford Smith Intl. Airport (SYD)?
If you reserved your ICN to SYD flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.